001/**
002 *   GRANITE DATA SERVICES
003 *   Copyright (C) 2006-2013 GRANITE DATA SERVICES S.A.S.
004 *
005 *   This file is part of the Granite Data Services Platform.
006 *
007 *   Granite Data Services is free software; you can redistribute it and/or
008 *   modify it under the terms of the GNU Lesser General Public
009 *   License as published by the Free Software Foundation; either
010 *   version 2.1 of the License, or (at your option) any later version.
011 *
012 *   Granite Data Services is distributed in the hope that it will be useful,
013 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
014 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
015 *   General Public License for more details.
016 *
017 *   You should have received a copy of the GNU Lesser General Public
018 *   License along with this library; if not, write to the Free Software
019 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
020 *   USA, or see <http://www.gnu.org/licenses/>.
021 */
022package org.granite.tide.invocation;
023
024import java.io.Serializable;
025
026import org.granite.tide.Expression;
027
028
029/**
030 * @author William DRAI
031 */
032public class ContextResult implements Serializable, Expression {
033
034    private static final long serialVersionUID = 1L;
035    
036    
037    private String componentName;
038    private String componentClassName;
039    private String expression;
040    
041    
042    public ContextResult() {
043    }
044    
045    public ContextResult(String componentName, String expression) {
046        this.componentName = componentName;
047        this.expression = expression;
048    }
049
050    public String getComponentName() {
051        return componentName;
052    }
053    public void setComponentName(String componentName) {
054        this.componentName = componentName;
055    }
056
057    public String getComponentClassName() {
058        return componentClassName;
059    }
060    public void setComponentClassName(String componentClassName) {
061        this.componentClassName = componentClassName;
062    }
063    
064    private Class<?> componentClass;
065    
066    public Class<?> getComponentClass() {
067        if (componentClassName == null)
068                return null;
069        
070        if (componentClass == null) {
071                try {
072                        componentClass = Thread.currentThread().getContextClassLoader().loadClass(componentClassName);
073                }
074                catch (Exception e) {
075                        throw new RuntimeException("Component class not found", e);
076                }
077        }
078        return componentClass;      
079    }
080        
081    public String getExpression() {
082        return expression;
083    }
084    public void setExpression(String expression) {
085        this.expression = expression;
086    }
087    
088    public Boolean getRestrict() {
089        return null;
090    }
091    
092    public String getPath() {
093        return componentName + (expression != null ? "." + expression : "");
094    }
095    
096    public boolean matches(String componentName, String componentClassName, String expr) {
097        if (this.componentClassName != null && componentClassName != null 
098            && (this.componentClassName + (this.expression != null ? "." + this.expression : "")).indexOf(componentClassName + (expr != null ? "." + expr : "")) == 0) {
099            return true;
100        }
101        return getPath().indexOf(componentName + (expr != null ? "." + expr : "")) == 0; 
102    }
103
104    
105    @Override
106    public String toString() {
107        return (componentName != null ? componentName : "") 
108                + (componentClassName != null ? "(" + componentClassName + ")" : "") 
109                + (expression != null ? "." + expression : "");
110    }
111
112    
113    @Override
114    public int hashCode() {
115        return (componentName + "(" + componentClassName + ")." + expression).hashCode();
116    }
117    
118    @Override
119    public boolean equals(Object object) {
120        if (object == null || !object.getClass().equals(getClass()))
121            return false;
122        
123        ContextResult result = (ContextResult)object;
124        if (result.getComponentName() == null && componentName == null 
125                        && (!((result.getComponentClassName() == null && componentClassName == null) || result.getComponentClassName().equals(componentClassName))))
126                return false;
127        
128        if (result.getComponentName() != null 
129                        && !result.getComponentName().equals(componentName))
130            return false;
131        
132        if (result.getComponentClassName() != null && componentClassName != null 
133                        && !result.getComponentClassName().equals(componentClassName))
134                return false;
135        
136        if (expression == null)
137            return result.getExpression() == null;
138        
139        return expression.equals(result.getExpression());
140    }
141}